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Beijing, CN
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Patents Grants
last 30 patents
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Patent Grant
Amphiphilic block polymer ultralow-permeability agent and intellige...
Patent number
11,578,251
Issue date
Feb 14, 2023
China University of Petroleum (Beijing)
Yinbo He
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Calcium-resistant zwitterionic polymer, preparation method and appl...
Patent number
11,034,876
Issue date
Jun 15, 2021
China University of Petroleum (Beijing)
Yinbo He
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
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Patent Application
AMPHIPHILIC BLOCK POLYMER ULTRALOW-PERMEABILITY AGENT AND INTELLIGE...
Publication number
20220204833
Publication date
Jun 30, 2022
CHINA UNIVERSITY OF PETROLEUM (BEIJING)
Yinbo HE
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
AMPHIPHILIC BLOCK POLYMER ULTRALOW-PERMEABILITY AGENT AND INTELLIGE...
Publication number
20220049148
Publication date
Feb 17, 2022
CHINA UNIVERSITY OF PETROLEUM (BEIJING)
Yinbo HE
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...